PCNames is a unique domain whois service, which lets you check for registered domain names without reloading the page (using AJAX). The service is handy if you’re looking for the right TLD name to register.
Aside from the Ajax capabilities, It also support checking 6 domain name extension at once, saving you the time to query the server again and again.
Visit PCNames Domain check at : http://www.pcnames.com/check/
[tags]domain, domain name, registrar,whois,dns,tld[/tags]